G-Shock GA-120 - Manual

Operation Guide 5229
MO1106-EA
E-1
About This Manual
• Depending on the model of your watch, digital display
text appears either as dark figures on a light background
or light figures on a dark background. All sample
displays in this manual are shown using dark figures on
a light background.
• Button operations are indicated using the letters shown
in the illustration.
• Note that the product illustrations in this manual are
intended for reference only, and so the actual product
may appear somewhat different than depicted by an
illustration.
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• Each section of this manual provides you with the information you need to perform
operations in each mode. Further details and technical information can be found in
the “Reference” section.
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Contents
General Guide ......................................................................................................... E-6
Timekeeping ............................................................................................................ E-8
Stopwatch .............................................................................................................. E-14
Countdown Timer .................................................................................................. E-25
World Time ............................................................................................................. E-29
Alarms .................................................................................................................... E-33
Illumination ............................................................................................................ E-38
Hand Home Position Correction .......................................................................... E-42
Reference .............................................................................................................. E-44
Specifications ....................................................................................................... E-48
E-4
Procedure Lookup
The following is a handy reference list of all the operational procedures contained in
this manual.
To set the digital time and date ............................................................................. E-9
To change the Daylight Saving Time (summer time) setting ............................ E-12
To specify a distance value .................................................................................. E-16
To specify lap time or split time readings .......................................................... E-18
To perform elapsed time measurement .............................................................. E-19
To set up the stopwatch to take lap time readings ............................................ E-20
To perform a lap time measurement ................................................................... E-21
To set up the stopwatch to take split time readings .......................................... E-22
To perform a split time measurement ................................................................. E-23
To measure times with the stopwatch ................................................................ E-24
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To use the countdown timer ................................................................................ E-26
To configure countdown start time and auto-repeat settings .......................... E-27
To view the current time in another time zone ................................................... E-30
To toggle a city code time between Standard Time and Daylight Saving Time ..... E-31
To swap your Home City and World Time City ................................................... E-32
To set an alarm time ............................................................................................. E-34
To turn an alarm on and off .................................................................................. E-36
To turn the Hourly Time Signal on and off .......................................................... E-37
To illuminate the face manually ........................................................................... E-38
To specify the illumination duration ................................................................... E-39
To turn the auto light switch on and off .............................................................. E-41
To adjust home positions ..................................................................................... E-42
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General Guide
• Press C to change from mode to mode.
• In any mode (except a setting mode), press B to illuminate the face.
Timekeeping Mode
C
▲
C
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Alarm Mode (page E-33)
Countdown Timer Mode (page E-25)
World Time Mode (page E-29)
Stopwatch Mode (page E-14)
▲
▲ ▲
▲
C
C
C
E-8
Timekeeping
You can adjust the Home Time city date and time in the Timekeeping Mode.
• The analog time of this watch is synchronized with the digital time. The analog time
setting is adjusted automatically whenever you change the digital time.
• If the analog time does not match the digital time for any reason, use the procedure
described under “To adjust home positions” (page E-42) to match the analog setting
to the digital setting.
• Pressing D in the Timekeeping Mode toggles digital display between the Home City
Date and Home City Time.
D
Home City Date Home City Time
▲ ▲
Day of week Month Day
PM indicator
Hour : Minutes Day of week
Seconds Seconds E-9
To set the digital time and date
1. In the Timekeeping Mode, hold down A for about three
seconds until the currently selected city code flashes in
the right digital dial. This is the setting mode.
2. Use D (east) and B (west) to display the city code
you want to select.
• Make sure you select your Home City code before
changing any other setting.
• For full information on city codes, see the “City Code
Table” at the back of this manual.
City code
PM indicator
Hour : Minutes
Seconds